384520422 has 32 divisors (see below), whose sum is σ = 903490560. Its totient is φ = 107557920.

The previous prime is 384520387. The next prime is 384520441. The reversal of 384520422 is 224025483.

It is a self number, because there is not a number n which added to its sum of digits gives 384520422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223222 + ... + 224937.

It is an arithmetic number, because the mean of its divisors is an integer number (28234080).

Almost surely, 2^384520422 is an apocalyptic number.

384520422 is an abundant number, since it is smaller than the sum of its proper divisors (518970138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384520422 is a wasteful number, since it uses less digits than its factorization.

384520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448188.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 384520422 is about 19609.1922832125. The cubic root of 384520422 is about 727.1764463840.

The spelling of 384520422 in words is "three hundred eighty-four million, five hundred twenty thousand, four hundred twenty-two".